In a new HBO documentary, two dozen men and one transsexual woman talk about their penises, Not surprisingly, it isn't long enough. Eastern check local listings. A documentary film that features men talking about their penises has a certain built-in fascination, although it can be argued that every man's penis is more interesting to him than it is to anyone else. One of the first questions posed in "Private Dicks" is, Why don't men talk about their penises? One possible reason is that men sometimes feel that their penises never shut up.